C, when you exercise it can also cause you to feeling tired not only you but your body. Your body will know it needs rest but also know that you are doing something good with your body with the exercise you do.
Hi! Your answer here is C. Being active and improving health leads to better sleep. Exercise tires you out, and the more active you are, the more your body pushes you to sleep at night.
As people are always dying and babies are always being born so doctors don’t know the exact figure of the population, just an estimate. hope this helps x
